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HEREDITY
)ChsomoSomeS -^ thead^ rke^ structureSpresent^ in^ the nucieuS of^ the^ cell,
Page No. Date
10Giene - a^ functional^ urit^ of^ hertdty^ present^ onthe hromosormes.
Charatters the^ characterisic^ of^ an^ indivisual^
fke
gene
I)Allel -^ tis^ one^ of^ the^ different^ forms^
ofaporiculor
)Hybrid- an indi visual having tNO different allels for the same trait
VDDominast Alel - an allel oh¡s Phenotype oill be
exprRSSed even^ inthe^ presence^ of^ another^ allel hoSpt is called dominantalle.1tYepresented by Captal tettes^ eq.^ Tallness^ cT,^ Raund^ CR)
RECeSYe Ale- an alel mhichg ets masked in the resence of a dominant alet anc an ohls affect he dheno type inthe abcense of the dominant aene1S
alec a rÁcessive allel. ís representeol bu smal 1este
neight codouc,^ shape^ etc
(A VDGerotype -^ Bais^ is^ the^ aenetic^ compasifon^ of^ an^ indiyisugl.
1Phenotype - the expre ssion of the genotupe ohich S
an ehservabe or measurable chaactersic. 3Mnohybrid Cross - a hubricizationcross in obich inheritance of onlu one paitof cotfosing chafachter are studied Dihybid cass a hubricdization CrOsinAhich inheritane of too patrs of ontrosting charctes are etiecL )Homozug0ue - a condition tn hich onin cívisual passecs a pair of idenfalgenes controling a
pi aiven charachter andill be expresseas a
ue chorachter Sxample: TTCpure tall
CnARACIRS
DHtetrOzyaous -^ a^ on^ dition 1n (^) ni (^) chan (^) indivisual nas a (^) pair of (^) contrastina charchtesin their lagnes (^) andol not (^) expres fn (^) pure (^) form (^) inthe Loffsping is^ called (^) asbe (^) trozugpus
Dseed Shape
Choracters of^ Peas (^) stIdied by (^) mendel DoNANTJ
Seeol alor
tt Cpure (^) daYf
Pod shate DPod colos
9Honozygous
Shem eaht
F\ONeOPositior
NellOK PArpe/iolet Inflated
TtChubnd-tal)
tIChubrid- ta
Gtreen AXxHe
RECESSNEl Winked reen white Constricted YelloK) Terminal ShortDAarf
R
pihNbíd CrosS
Ry
Round- R,Orinkled -yr, (^) oreen (^) -Y
RrYu
YR
Round (^) Reas (^) Green peas Aoinkied (^) yeNoPeas
ruRY
RuRY Raundyeo Rouno, Romd
R Yu
RRuu X rrYY
RunC
RurYRiYr
ru Raund Yea whkiedwhieRed YRRY YRrY YRYr
fuYr'
RoundROUnd RyrrY areen
yR
RuR
ROh areen
rYurYrEyR
Areen
Page No.
orhol Sreen
Date
yelon-u
Phenotypic Ration
ROLndGreen - worinked yelod winkied ayeen - 9:2:3:)
